Connecting method, apparatus of screen transmission device based on NFC, and computer device

1. A connecting method of a screen transmission device based on Near Field Communication (NFC), comprising: touching an NFC tag, wherein the NFC tag is configured to either contain network information of the screen transmission device or not contain network information of the screen transmission device; identifying whether the NFC tag contains network information of the screen transmission device; when the NFC tag contains the network information of the screen transmission device, acquiring the network information, and connecting with the screen transmission device according to the network information by calling a preset program to analyze the encrypted data, obtaining the network information, and calling the preset program to wirelessly connect with the screen transmission device according to the network information; sending screen projection information to the screen transmission device, so that the screen transmission device projects the screen projection information onto a display screen for playing; and when the NFC tag does not contain the network information of the screen transmission device, sending an acquisition request to the screen transmission device for encrypted data of the network information of the screen transmission device, receiving the encrypted data from the screen transmission device, and writing the encrypted data into the NFC tag, wherein the encrypted data is formed by the screen transmission device encrypting its own network information after receiving the acquisition request.

2. The connecting method of claim 1, wherein writing the encrypted data into the NFC tag comprises: determining whether the screen transmission device supports NFC according to the encrypted data; and when the screen transmission device supports NFC, writing the encrypted data into the NFC tag.

3. The connecting method of claim 1, wherein the NFC tag comprises a first sector and a second sector, the connecting method is performed by a mobile terminal, and calling the preset program to analyze the encrypted data and obtaining the network information comprises: reading Uniform Resource Locator (URL) information in the first sector, and identifying a type of an operating system of the mobile terminal; when the type of the operating system is iPhone Operating System (iOS), calling the preset program according to the URL information to analyze the encrypted data; and when the type of the operating system is Android system, reading After Action Review (AAR) package in the second sector, and calling the preset program according to the AAR package to analyze the encrypted data.

4. The connecting method of claim 3, wherein calling the preset program according to the AAR package to analyze the encrypted data comprises: determining whether there is the preset program in the mobile terminal according to the AAR package; when there is no preset program in the mobile terminal, opening an application store of the mobile terminal, downloading the preset program corresponding to the AAR package, and using the preset program to analyze the encrypted data; and when there is the preset program in the mobile terminal, running the preset program to analyze the encrypted data.

5. A connecting apparatus of a screen transmission device based on Near Field Communication (NFC), comprising: a memory storing computer-readable instructions; and a processor coupled to the memory and configured to execute the computer-readable instructions, wherein the computer-readable instructions, when executed by the processor, cause the processor to perform operations comprising: touching an NFC tag, wherein the NFC tag is configured to either contain network information of the screen transmission device or not contain the network information of the screen transmission device; identifying whether the NFC tag contains network information of the screen transmission device; when the NFC tag contains the network information of the screen transmission device, acquiring the network information, and connecting with the screen transmission device according to the network information by calling a preset program to analyze the encrypted data, obtaining the network information, and calling the preset program to wirelessly connect with the screen transmission device according to the network information; sending screen projection information to the screen transmission device, so that the screen transmission device projects the screen projection information onto a display screen for playing; and when the NFC tag does not contain the network information of the screen transmission device, sending an acquisition request to the screen transmission device for encrypted data of the network information of the screen transmission device, receiving the encrypted data from the screen transmission device, and writing the encrypted data into the NFC tag, wherein the encrypted data is formed by the screen transmission device encrypting its own network information after receiving the acquisition request.

6. The connecting apparatus of claim 5, wherein writing the encrypted data into the NFC tag comprises: determining whether the screen transmission device supports NFC according to the encrypted data; and when the screen transmission device supports NFC, writing the encrypted data into the NFC tag.

7. The connecting apparatus of claim 5, wherein the NFC tag comprises a first sector and a second sector, the operations are performed by a mobile terminal, and calling the preset program to analyze the encrypted data and obtaining the network information comprises: reading Uniform Resource Locator (URL) information in the first sector, and identifying a type of an operating system of the mobile terminal; when the type of the operating system is iPhone Operating System (iOS), calling the preset program according to the URL information to analyze the encrypted data; and when the type of the operating system is Android system, reading After Action Review (AAR) package in the second sector, and calling the preset program according to the AAR package to analyze the encrypted data.

8. The connecting apparatus of claim 7, wherein calling the preset program according to the AAR package to analyze the encrypted data comprises: determining whether there is the preset program in the mobile terminal according to the AAR package; when there is no preset program in the mobile terminal, opening an application store of the mobile terminal, downloading the preset program corresponding to the AAR package, and using the preset program to analyze the encrypted data; and when there is the preset program in the mobile terminal, running the preset program to analyze the encrypted data.

9. A non-transitory computer-readable medium storing computer-readable instructions, wherein the computer-readable instructions, when executed by a processor, cause the processor to perform operations comprising: touching a Near Field Communication (NFC) tag, wherein the NFC tag is configured to either contain network information of a screen transmission device or not contain the network information of the screen transmission device; identifying whether the NFC tag contains network information of the screen transmission device; when the NFC tag contains the network information of the screen transmission device, acquiring the network information, and connecting with the screen transmission device according to the network information by calling a preset program to analyze the encrypted data, obtaining the network information, and calling the preset program to wirelessly connect with the screen transmission device according to the network information; sending screen projection information to the screen transmission device, so that the screen transmission device projects the screen projection information onto a display screen for playing; and when the NFC tag does not contain the network information of the screen transmission device, sending an acquisition request to the screen transmission device for encrypted data of the network information of the screen transmission device, receiving the encrypted data from the screen transmission device, and writing the encrypted data into the NFC tag, wherein the encrypted data is formed by the screen transmission device encrypting its own network information after receiving the acquisition request.

10. The non-transitory computer-readable medium of claim 9, wherein writing the encrypted data into the NFC tag comprises: determining whether the screen transmission device supports NFC according to the encrypted data; and when the screen transmission device supports NFC, writing the encrypted data into the NFC tag.

11. The non-transitory computer-readable medium of claim 9, wherein the NFC tag comprises a first sector and a second sector, the operations are performed by a mobile terminal, and calling the preset program to analyze the encrypted data and obtaining the network information comprises: reading Uniform Resource Locator (URL) information in the first sector, and identifying a type of an operating system of the mobile terminal; when the type of the operating system is iPhone Operating System (iOS), calling the preset program according to the URL information to analyze the encrypted data; and when the type of the operating system is Android system, reading After Action Review (AAR) package in the second sector, and calling the preset program according to the AAR package to analyze the encrypted data.

12. The non-transitory computer-readable medium of claim 11, wherein calling the preset program according to the AAR package to analyze the encrypted data comprises: determining whether there is the preset program in the mobile terminal according to the AAR package; when there is no preset program in the mobile terminal, opening an application store of the mobile terminal, downloading the preset program corresponding to the AAR package, and using the preset program to analyze the encrypted data; and when there is the preset program in the mobile terminal, running the preset program to analyze the encrypted data.